Recovering Standby Database - Archive log missing from Standby

on PRIMARY:
mkdir /u01/scott

rman target /
RMAN> list archivelog all;
List of Archived Log Copies
Key Thrd Seq S Low Time Name
9833 2 4553 A 07-NOV-11 +FRA1/demo/archive_logs/2_4553_621298904.dbf
exit


sqlplus / as sysdba
CREATE OR REPLACE DIRECTORY log_files AS '+FRA1/demo/archive_logs' ;
CREATE DIRECTORY DSK_FILES AS '/u01/scott';
exec DBMS_FILE_TRANSFER.COPY_FILE ( 'log_files' , '2_4553_621298904.dbf' , 'dsk_files' , '2_4553_621298904.dbf' );

on STANDBY:
mkdir /u01/scott
cd /u01/scott
scp PRIMARY_HOST_IP_ADDRESS:/u01/scott/2_4553_621298904.dbf .
rman target /
RMAN> CATALOG ARCHIVELOG '/u01/scott/2_4553_621298904.dbf';
RMAN> list archivelog all;
exit;